<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>搜索在B站的视频</title>
</head>
<body>
    <h3 style="text-align: center;color: aqua">搜索在B站的视频</h3>
    <form action="https://search.bilibili.com/video" method="get">
        <input name="keyword" type="search" autofocus placeholder="请输入关键字">
        <input type="submit" value="搜索">
    </form>
</body>
</html>